Systems, apparatuses, and methods to response to distinguish a ghost target from an actual target based on radar signals and ranges determined from the radar signals. In particular, the disclosure provides an intrusion detection system receiving ranges and velocities for targets detected based on radar signals, determining a potential ghost target from the received velocities and confirming the potential ghost target based on estimated ranges and perturbations of the vehicle speed.
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4. The computing apparatus of claim 2, the instructions when executed by the processor configure the apparatus to derive the estimated updated range of the first one of the plurality of ghost targets based on the range and the velocity of the first one of the plurality of ghost targets and an inter-arrival time of the radar signals.
This invention relates to radar signal processing, specifically for tracking ghost targets in radar systems. Ghost targets are false detections that can arise due to multipath reflections, clutter, or other interference, leading to inaccurate target tracking. The invention addresses the challenge of estimating the updated range of ghost targets to improve radar system accuracy and reliability. The computing apparatus includes a processor and memory storing instructions that, when executed, configure the apparatus to process radar signals to detect and track targets. The apparatus is designed to handle multiple ghost targets, each with an associated range and velocity. The key innovation involves deriving an estimated updated range for a selected ghost target based on its current range, velocity, and the inter-arrival time of the radar signals. The inter-arrival time represents the time between consecutive radar signal transmissions or receptions, which is used to refine the range estimate by accounting for the target's motion during this interval. This approach helps mitigate errors caused by ghost targets, improving the overall accuracy of target tracking in radar systems. The method can be applied iteratively to update the range estimates for all detected ghost targets, enhancing the system's ability to distinguish between real and false detections.
6. The computing apparatus of claim 5, the instructions when executed by the processor configure the apparatus to send the command to one or more electronic control units (ECUs) of the vehicle via an in-vehicle bus.
This invention relates to a computing apparatus for managing vehicle operations through electronic control units (ECUs). The apparatus includes a processor and memory storing instructions that, when executed, enable communication with one or more ECUs via an in-vehicle bus. The system is designed to send commands to these ECUs, which are responsible for controlling various vehicle functions such as engine performance, braking, and infotainment systems. The in-vehicle bus facilitates data exchange between the computing apparatus and the ECUs, ensuring coordinated operation of vehicle systems. This approach improves vehicle functionality by enabling centralized control and monitoring of distributed ECUs, enhancing efficiency and reliability in vehicle operations. The invention addresses challenges in modern vehicles where multiple ECUs must communicate seamlessly to maintain optimal performance and safety. By leveraging the in-vehicle bus, the system ensures timely and accurate command execution across different vehicle subsystems.
7. The computing apparatus of claim 6, the one or more ECUs comprising an accelerator ECU, a braking ECU, or a velocity ECU.
This invention relates to computing apparatuses for vehicle control systems, specifically addressing the need for efficient and reliable electronic control unit (ECU) coordination in automotive applications. The system includes a computing apparatus with one or more ECUs configured to process sensor data and execute control algorithms for vehicle functions. The ECUs may include an accelerator ECU for managing throttle or acceleration inputs, a braking ECU for controlling deceleration and brake systems, or a velocity ECU for monitoring and adjusting vehicle speed. The computing apparatus is designed to integrate these ECUs, ensuring seamless communication and coordination between them to enhance vehicle performance, safety, and responsiveness. The system may also incorporate additional ECUs or modules to support advanced driver assistance systems (ADAS) or autonomous driving features. The invention aims to improve real-time processing and decision-making in vehicle control by optimizing ECU interactions and reducing latency in critical operations. This approach enhances overall system reliability and adaptability in dynamic driving conditions.
11. The method of claim 9, comprising deriving the estimated updated range of the first one of the plurality of ghost targets based on the range and the velocity of the first one of the plurality of ghost targets and an inter-arrival time of the radar signals.
This invention relates to radar signal processing, specifically improving the accuracy of tracking ghost targets—false detections caused by multipath reflections or other interference. The method estimates the updated range of a ghost target by analyzing its range, velocity, and the inter-arrival time of radar signals. By incorporating these parameters, the system refines the target's position estimate, reducing tracking errors and improving discrimination between real and false targets. The approach leverages the time between consecutive radar signal returns to adjust the range calculation dynamically, accounting for potential delays or distortions in signal propagation. This enhances the reliability of radar tracking systems in environments prone to multipath interference, such as urban or cluttered areas. The method may also involve filtering or weighting the derived range updates to further mitigate the impact of spurious detections. The overall goal is to provide more accurate and stable target tracking by systematically addressing the challenges posed by ghost targets in radar systems.
13. The method of claim 12, comprising sending the command to one or more electronic control units (ECUs) of the vehicle via an in-vehicle bus.
The invention relates to vehicle control systems, specifically methods for managing electronic control units (ECUs) within a vehicle. The problem addressed is the need for efficient and reliable communication between a central control system and multiple ECUs to execute commands, such as those related to vehicle diagnostics, maintenance, or operational adjustments. The method involves sending a command to one or more ECUs within a vehicle. This command is transmitted via an in-vehicle bus, which serves as the communication network connecting the ECUs. The in-vehicle bus enables real-time data exchange and command execution across different vehicle systems, such as engine control, braking, or infotainment. The method ensures that commands are properly routed and processed by the intended ECUs, allowing for coordinated vehicle operations. This approach improves system integration, reduces communication delays, and enhances overall vehicle performance and safety. The use of an in-vehicle bus ensures compatibility with existing vehicle architectures and supports scalable communication between multiple ECUs.
14. The method of claim 13, the one or more ECUs comprising an accelerator ECU, a braking ECU, or a velocity ECU.
This invention relates to a system for controlling vehicle dynamics, specifically addressing the challenge of coordinating multiple electronic control units (ECUs) to improve vehicle stability and performance. The system includes a central controller that communicates with one or more ECUs, such as an accelerator ECU, a braking ECU, or a velocity ECU, to manage vehicle acceleration, deceleration, and speed. The central controller receives sensor data, such as vehicle speed, steering angle, and wheel slip, and processes this data to determine optimal control signals for the ECUs. The accelerator ECU adjusts throttle or power output to control acceleration, while the braking ECU modulates brake pressure to manage deceleration. The velocity ECU monitors and regulates the vehicle's speed to maintain stability. The system dynamically adjusts control parameters based on real-time conditions, ensuring coordinated operation of the ECUs to enhance vehicle handling and safety. This approach improves responsiveness and reduces the risk of instability during maneuvers, such as sudden acceleration or braking. The invention is particularly useful in vehicles requiring precise control, such as autonomous or high-performance vehicles.
18. The computer-readable storage medium of claim 16, comprising instructions that when executed by the processing circuitry of the IDS, cause the IDS to derive the estimated updated range of the first one of the plurality of ghost targets based on the range and the velocity of the first one of the plurality of ghost targets and an inter-arrival time of the radar signals.
This invention relates to radar signal processing, specifically improving the accuracy of detecting and tracking ghost targets in radar systems. Ghost targets are false detections caused by multipath reflections or other interference, which can degrade radar performance. The invention addresses the challenge of accurately estimating the range of these ghost targets to distinguish them from real targets. The system involves an Intrusion Detection System (IDS) that processes radar signals to identify and track ghost targets. The IDS includes processing circuitry that executes instructions to derive an updated range estimate for a ghost target. This estimation is based on the target's current range, velocity, and the inter-arrival time of the radar signals. By analyzing these parameters, the system refines the ghost target's range prediction, improving the ability to filter out false detections and enhance radar tracking accuracy. The method ensures that the updated range is dynamically adjusted in real-time, accounting for changes in the target's movement and signal characteristics. This approach helps mitigate the impact of ghost targets on radar performance, particularly in environments with high interference or multipath effects.
20. The computer-readable storage medium of claim 19, comprising instructions that when executed by the processing circuitry of the IDS, cause the IDS to instructions that when executed by the processing circuitry of the IDS, cause the IDS to send the command to one or more electronic control units (ECUs) of the vehicle via an in-vehicle bus.
This invention relates to a system for managing vehicle diagnostics and communications within an automotive environment. The system addresses the challenge of efficiently transmitting diagnostic commands and data between an in-vehicle diagnostic system (IDS) and multiple electronic control units (ECUs) over an in-vehicle communication bus. The IDS is configured to generate and process diagnostic commands, which are then transmitted to one or more ECUs via the in-vehicle bus. The bus facilitates bidirectional communication, allowing the IDS to send commands to the ECUs and receive responses or data in return. The system ensures reliable and standardized communication between the IDS and the ECUs, enabling real-time diagnostics, troubleshooting, and system monitoring. The invention improves vehicle maintenance and performance by streamlining diagnostic processes and ensuring seamless data exchange between the IDS and the vehicle's ECUs. The use of an in-vehicle bus ensures compatibility with existing automotive communication protocols, such as CAN, LIN, or Ethernet, while maintaining high-speed and secure data transmission. This approach enhances diagnostic accuracy and reduces downtime by providing immediate access to vehicle data and control functions.
21. The computer-readable storage medium of claim 20, the one or more ECUs comprising an accelerator ECU, a braking ECU, or a velocity ECU.
This invention relates to a system for controlling vehicle dynamics using multiple electronic control units (ECUs) in a distributed architecture. The system addresses the challenge of coordinating vehicle control functions, such as acceleration, braking, and velocity management, across different ECUs to improve responsiveness and safety. The invention involves a computer-readable storage medium containing instructions that, when executed, enable one or more ECUs to perform specific control tasks. These ECUs may include an accelerator ECU for managing throttle or propulsion systems, a braking ECU for controlling deceleration, and a velocity ECU for regulating speed. The system ensures that these ECUs operate in a coordinated manner to maintain vehicle stability and optimize performance. The distributed architecture allows for modular design, where each ECU can be independently updated or replaced without disrupting the overall system. This approach enhances flexibility, scalability, and fault tolerance in vehicle control systems. The invention is particularly useful in modern vehicles where multiple control functions must work together seamlessly to ensure safe and efficient operation.
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June 24, 2021
June 4, 2024
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